User interaction in smart ambient environment targeted for senior citizen

The change in age-structure of a society, leaves many countries facing a problem. The rapid rising numbers of senior citizen and care-taking personnel numbers can't match the problems and needs of these citizens. Use of smart, ubiquitous technologies can offer ways in coping with the need of more nursing staff and the rising costs of taking care of senior citizens for the society. Helping senior citizens with a novel, easy to use interface that guides and helps could improve their quality of living and enable them to participate more in daily activities. This paper presents a projection-based display system for elderly people with memory impairments and the proposed user interface for the system. The users process recognition based on a sensor network is also described. Elderly people wearing the system can interact with the projected user interface by tapping physical surfaces (such as walls, tables or doors) using them as a natural, haptic feedback input surface.

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